From: Potnuri Bharat Teja <bha...@chelsio.com>
If FW supports RDMA WRITE_COMPLETION functionality, then advertise that
to the ULDs. This will be used by iw_cxgb4 to allow WRITE_COMPLETION
work requests.
Signed-off-by: Potnuri Bharat Teja <bha...@chelsio.com>
Signed-off-by: Raju Rangoju <ra...@chelsio.com>
Signed-off-by: Ganesh Goudar <ganes...@chelsio.com>
Signed-off-by: Steve Wise <sw...@opengridcomputing.com>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 1 +
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 6 ++++++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c | 1 +
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 1 +
drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h | 2 ++
5 files changed, 11 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 507c9bc968c7..c7fe4d46c0d4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -391,6 +391,7 @@ struct adapter_params {
*/
u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
+ bool write_cmpl_support; /* FW supports WRITE_CMPL */
};
/* State needed to monitor the forward progress of SGE Ingress DMA activities
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index fd4dc1bd27f8..efed7cc64e86 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4294,6 +4294,12 @@ static int adap_init0(struct adapter *adap)
ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params,
val);
adap->params.write_w_imm_support = (ret == 0 && val[0] != 0);
+
+ /* Enable write_cmpl if FW supports it */
+ params[0] = FW_PARAM_DEV(RI_WRITE_CMPL_WR);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params,
+ val);
+ adap->params.write_cmpl_support = (ret == 0 && val[0] != 0);
adap->num_ofld_uld += 2;
}
if (caps_cmd.iscsicaps) {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
index eff12e9a4b46..5926edd8b4b2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
@@ -666,6 +666,7 @@ static void uld_init(struct adapter *adap, struct
cxgb4_lld_info *lld)
lld->nodeid = dev_to_node(adap->pdev_dev);
lld->fr_nsmr_tpte_wr_support = adap->params.fr_nsmr_tpte_wr_support;
lld->write_w_imm_support = adap->params.write_w_imm_support;
+ lld->write_cmpl_support = adap->params.write_cmpl_support;
}
static void uld_attach(struct adapter *adap, unsigned int uld)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index dd3359374b20..1b4a1a1ec75a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -354,6 +354,7 @@ struct cxgb4_lld_info {
int nodeid; /* device numa node id */
bool fr_nsmr_tpte_wr_support; /* FW supports FR_NSMR_TPTE_WR */
bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
+ bool write_cmpl_support; /* FW supports WRITE_CMPL WR */
};
struct cxgb4_uld_info {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 174ae3e8b556..3876685904ba 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -101,6 +101,7 @@ enum fw_wr_opcodes {
FW_RI_BIND_MW_WR = 0x18,
FW_RI_FR_NSMR_WR = 0x19,
FW_RI_FR_NSMR_TPTE_WR = 0x20,
+ FW_RI_RDMA_WRITE_CMPL_WR = 0x21,
FW_RI_INV_LSTAG_WR = 0x1a,
FW_ISCSI_TX_DATA_WR = 0x45,
FW_PTP_TX_PKT_WR = 0x46,
@@ -1212,6 +1213,7 @@ enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_MPSBGMAP = 0x1E,
FW_PARAMS_PARAM_DEV_RDMA_WRITE_WITH_IMM = 0x21,
+ FW_PARAMS_PARAM_DEV_RI_WRITE_CMPL_WR = 0x24,
};
/*
--
2.13.0
